"Don't ever do that," he says, between his bared teeth. "Don't ever use my name again."
"If the noise is troubling you," Dr. Caldwell says, "I'll remove the pharynx first."
"It's fine!" Justineau yells. "Melanie, come on. Get inside. Now!"
The conflict in this scene is when Sergent Parks is coming into Melanie's cell. He's going to take her to Dr. Caldwell, to do tests on her. Melanie doesn't want to go, she wants to see Miss Justineau at least one more time.
In this scene Dr. Caldwell is attempting to do experiments on Melanie, but is interrupted my Miss Justineau.
In this scene the conflict is the hungries and junkers chasing after Miss Justineau and Melanie.